function plt_hide_octavius_rocks_menus() {
//Hide the "Octavius Rocks" menu.
remove_menu_page('octavius-rocks');
//Hide the "Octavius Rocks → Dashboard" menu.
remove_submenu_page('octavius-rocks', 'octavius-rocks');
//Hide the "Octavius Rocks → Settings" menu.
remove_submenu_page('octavius-rocks', 'octavius-rocks-settings');
}
add_action('admin_menu', 'plt_hide_octavius_rocks_menus', 11);